Readings:

• https://jwt.io/introduction/

Setup DB

• Get MongoDB FREE Hosting here.
• Rename .env.example to .env
• Put your db connection string to DB_CONNECT in .env file
• Edit/View the PORT in .env file, use it in docker run -p command

Run Dockerfile only

Build the image
docker build -t my-node-express-jwt-auth .
Run & create container (e.g., in .env file, PORT = 8080)
docker run -itd -p 8080:8080 -v $(pwd):/app --name my-container my-node-express-jwt-auth
or this to make ie undetached:
docker run -it -p 8080:8080 -v $(pwd):/app --name my-container my-node-express-jwt-auth
Stop the container
docker stop my-container
Start the container
docker start my-container
Remote the container
docker rm my-container

p/s: my-node-express-jwt-auth & my-container is the name I use, you can change according your needs.

Packages:

• express // nodejs web framework
• dotenv // read environtment variable
• mongoose // handles mongodb database
• @hapi/joi // validator
• bcryptjs // encrypt password
• jsonwebtoken // handles JWT

Start Development

• install dependencies: yarn
• Start nodemon: yarn start:dev
• Url: localhost:8080

Register a user

POST localhost:8080/api/user/register Content-Type: application/json

request.body:

{
  "name" : "Ashraf Handsome",
  "email" : "ashrafcool@cmail.com",
  "password" : "super_strong_secret_password",
  "repeat_password": "super_strong_secret_password"
}

Login

POST localhost:8080/api/user/login Content-Type: application/json

request.body:

{
    "email": "ashrafcool@cmail.com",
    "password": "super_strong_secret_password"
}

Return Header auth-token JWT_TOKEN with payload (user id)